 | Robert Potts - 1868 - 434 pàgines
...QEF PROPOSITION XIII. THEOREM. The angles which one straight line makes with another upon one side of it, are either two right angles, or are together equal...with CD, upon one side of it, the angles CBA, ABD. Then these shall be either two right angles, or, shall be together, equal to two right angles. E A... | |
 | 1868 - 876 pàgines
...this base shall be equal 30 2. The angles which one straight line makes with another upon one side of it are either two right angles or are together equal to two right angels 20 3. Any two sides of a triangle are together greater than the third side 20 4. In obtuse-angled... | |
 | Elias Loomis - 1871 - 302 pàgines
...straight line makes w:tk anothei,upi* one side of it, are either two right angles, cr are together to two right angles. Let the straight line AB make with CD, upon one side of it, the angles ABC, ABD ; these are either two right angles, or are toTethiir equal to two right angles. ^or if the... | |
 | Alfred Challice Johnson - 1871 - 178 pàgines
...vice versa. (Eue. L, 5, б.) 2. The angles which one straight line makes with another upon one side of it, are either two right angles, or are together equal to two right angles, or 180°. (Eue. I., 13.) 3. If two straight l1nes cut one another, the vertical or opposite angles... | |
 | Henry Major - 1873 - 588 pàgines
...right angles. Let the straight line AB make with CD, upon one jlide of it, the angles CBA, ABD : these are either two right angles or are together equal to two right angles. For if the angle CBA be equal to ABD, each of them is a right angle ; but, if not, from the point B... | |
 | Edward Atkins - 1874 - 428 pàgines
...Proposition 13.— Theorem. The angles which one straight line makes with another upon (me side of it, are either two right angles, or are together equal...CD, upon one side of it, the angles CBA, ABD. These angles shall either be two right angles, or shall together be equal to two right angles. PROOF. —... | |
 | Francis Cuthbertson - 1874 - 400 pàgines
...is = L GHK. PROPOSITION IX. The angles which one straight line makes with another upon one side of it are either two right angles or are together equal...straight line AB make with CD upon one side of it the L s ABC, ABD. These shall either be two right L s; C or shall together be = two right L s. If the then... | |
 | Euclides - 1874 - 342 pàgines
...PROPOSITION 13. — Theorem. The angles which one straight line makes with another upon one side of it, are either two right angles, or are together equal...straight line AB make with CD upon one side of it, the Then the angles CBA, ABD shall be either two right angles, or shall together equal to two right angles.... | |
 | Euclides - 1874 - 120 pàgines
...The anr/les which one straight line makes with another straight line on one side of it, either are two right angles, or are together equal to two right angles. Let the straight line AJB make with the straight fine CD, on one side of it, the angles CBA, A 1. B ABD : these either are... | |
 | Edward Atkins - 1874 - 426 pàgines
...Proposition 13. — Theorem. The angles which one straight line makes with another upon one side of it, are either two right angles, or are together equal to two right angles. Let the straight line AB make with CD, upon one side of it, the angles CBA, ABD. These angles shall... | |
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The angles which one straight line makes with another upon one side uf it, are, either two right angles, or are together equal to two right angles. Let the straight line AB make with CD, upon one side of it the angles CBA, ABD ; these are either two right... 
